package util.web;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class AuthorizationFilter implements Filter{

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain chain) throws IOException, ServletException {
		
		HttpServletRequest request = (HttpServletRequest) arg0; 
		HttpServletResponse response = (HttpServletResponse) arg1;
		
		HttpSession session = request.getSession();
		
		
		String account = (String) session.getAttribute("account");
		String password = (String) session.getAttribute("password");
		
		if(account==null||password==null){
			System.out.println(request.getServletPath());
			response.sendRedirect("toPersonLoad.action");
		}else{
			chain.doFilter(request, response);
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		
	}

}
